The taper ring's irregular section shape decide the unequal forming of the ring metal when rolling ring, which is the main cause of irregular wide spread and draw concave on the symmetry face of ring.
锥形套圈由于它截面形状的不规则性决定了辗扩过程金属变形的不均匀性，这是导致不规则宽展、拉凹的主要原因。
This mining technology combined the fully mechanized mining with orthodox working face, and it layoutted irregular form and double unit face, adopted the rotational adjustment mining.
该开采技术在工作面巷道布置上采用机采与普采混合，不规则刀形形状和对拉工作面布置，回采工艺采用了旋转调采等新技术。
Chorea is an aimless and irregular, fast and involuntary movement of head and face, and four extremities.
舞蹈病临床常见以头面部及四肢无目地不规则，快速不自主的运动，呈突然发作。
Sometimes irregular pigmentation appears on the face during pregnancy.
怀孕期间，有的孕妇面部出现色素沉着。
Sometimes irregular pigmentation appears on the face during pregnancy.
怀孕期间，有的孕妇面部出现色素沉着。
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